package com.ysx.teacher.day20210830;

public class Ch04 {

    public static void main(String[] args) {

        long teacher=432524198304101122L;
        long student=432524199504101122L;

        // 问老师的年龄比学生大多少岁? 12  / %

        long x =student%1000000000000L/100000000;
        System.out.println(x);

        // 左手按住CTRL+ALT这2个健不放 然后右手按向下的箭头
        // 如果要移动代码   左手按住ALT这个健不放 然后右手按向下/上的箭头
        long y =teacher%1000000000000L/100000000;
        System.out.println(y);

        long rs = x-y;
        System.out.println(rs);


    }
}
